2256531541550 has 192 divisors, whose sum is σ = 5127199838208. Its totient is φ = 727643520000.

The previous prime is 2256531541507. The next prime is 2256531541559. The reversal of 2256531541550 is 551451356522.

It is a super-3 number, since 3×2256531541550³ (a number of 38 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256531541559) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30328895 + ... + 30403205.

It is an arithmetic number, because the mean of its divisors is an integer number (26704165824).

Almost surely, 2^{2256531541550} is an apocalyptic number.

2256531541550 is an abundant number, since it is smaller than the sum of its proper divisors (2870668296658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2256531541550 is a wasteful number, since it uses less digits than its factorization.

2256531541550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74515 (or 74510 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 2256531541550 in words is "two trillion, two hundred fifty-six billion, five hundred thirty-one million, five hundred forty-one thousand, five hundred fifty".